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प्रश्न
Name the main types of rocks.
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उत्तर
On the basis of their mode of formation, rocks are divided into three types :
- Igneous rocks
- Sedimentary rocks
- Metamorphic rocks.
संबंधित प्रश्न
Fill in the blank
Conglomerate is an example of _____________ rocks.
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
State two characteristics of the mantle.
Classify the following rocks by selecting the correct option given below:
sandstone
What processes are involved in the formation of Igneous Rocks?
Explain this term associated with rocks: Extrusive Igneous Rocks
State the types of rocks for the formation of which the following process is involved.
Formation of large crystals, coarse texture and slow cooling and compaction.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
Distinguish between rocks and minerals.
How are sedimentary rocks formed?
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Distinguish between Intrusive and Extrusive Rocks
Which one of the following is the most widespread most and productive category of soil.
Distinguish between Metamorphic rock and sedimentary rock.
Parent Rock is converted to loose Rock by ______.
______ are chemical substances which exist in nature.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
